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[NUCLEO_F401RE] Typo corrections (astyle)

pull/697/head
bcostm 2014-11-13 16:44:50 +01:00
parent 307f641d14
commit 40f3f7e27c
14 changed files with 218 additions and 117 deletions
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12
libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_F401RE/analogin_api.c
View File

@ -58,7 +58,8 @@ ADC_HandleTypeDef AdcHandle;
int adc_inited = 0; int adc_inited = 0;
void analogin_init(analogin_t *obj, PinName pin) { void analogin_init(analogin_t *obj, PinName pin)
{
// Get the peripheral name from the pin and assign it to the object // Get the peripheral name from the pin and assign it to the object
obj->adc = (ADCName)pinmap_peripheral(pin, PinMap_ADC); obj->adc = (ADCName)pinmap_peripheral(pin, PinMap_ADC);
MBED_ASSERT(obj->adc != (ADCName)NC); MBED_ASSERT(obj->adc != (ADCName)NC);
@ -94,7 +95,8 @@ void analogin_init(analogin_t *obj, PinName pin) {
} }
} }
static inline uint16_t adc_read(analogin_t *obj) { static inline uint16_t adc_read(analogin_t *obj)
{
ADC_ChannelConfTypeDef sConfig; ADC_ChannelConfTypeDef sConfig;
AdcHandle.Instance = (ADC_TypeDef *)(obj->adc); AdcHandle.Instance = (ADC_TypeDef *)(obj->adc);
@ -169,14 +171,16 @@ static inline uint16_t adc_read(analogin_t *obj) {
} }
} }
uint16_t analogin_read_u16(analogin_t *obj) { uint16_t analogin_read_u16(analogin_t *obj)
{
uint16_t value = adc_read(obj); uint16_t value = adc_read(obj);
// 12-bit to 16-bit conversion // 12-bit to 16-bit conversion
value = ((value << 4) & (uint16_t)0xFFF0) | ((value >> 8) & (uint16_t)0x000F); value = ((value << 4) & (uint16_t)0xFFF0) | ((value >> 8) & (uint16_t)0x000F);
return value; return value;
} }
float analogin_read(analogin_t *obj) { float analogin_read(analogin_t *obj)
{
uint16_t value = adc_read(obj); uint16_t value = adc_read(obj);
return (float)value * (1.0f / (float)0xFFF); // 12 bits range return (float)value * (1.0f / (float)0xFFF); // 12 bits range
} }

12
libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_F401RE/gpio_api.c
View File

@ -34,14 +34,16 @@
extern uint32_t Set_GPIO_Clock(uint32_t port_idx); extern uint32_t Set_GPIO_Clock(uint32_t port_idx);
uint32_t gpio_set(PinName pin) { uint32_t gpio_set(PinName pin)
{
MBED_ASSERT(pin != (PinName)NC); MBED_ASSERT(pin != (PinName)NC);
pin_function(pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); pin_function(pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
return (uint32_t)(1 << ((uint32_t)pin & 0xF)); // Return the pin mask return (uint32_t)(1 << ((uint32_t)pin & 0xF)); // Return the pin mask
} }
void gpio_init(gpio_t *obj, PinName pin) { void gpio_init(gpio_t *obj, PinName pin)
{
obj->pin = pin; obj->pin = pin;
if (pin == (PinName)NC) if (pin == (PinName)NC)
return; return;
@ -59,11 +61,13 @@ void gpio_init(gpio_t *obj, PinName pin) {
obj->reg_clr = &gpio->BSRRH; obj->reg_clr = &gpio->BSRRH;
} }
void gpio_mode(gpio_t *obj, PinMode mode) { void gpio_mode(gpio_t *obj, PinMode mode)
{
pin_mode(obj->pin, mode); pin_mode(obj->pin, mode);
} }
void gpio_dir(gpio_t *obj, PinDirection direction) { void gpio_dir(gpio_t *obj, PinDirection direction)
{
MBED_ASSERT(obj->pin != (PinName)NC); MBED_ASSERT(obj->pin != (PinName)NC);
if (direction == PIN_OUTPUT) { if (direction == PIN_OUTPUT) {
pin_function(obj->pin, STM_PIN_DATA(STM_MODE_OUTPUT_PP, GPIO_NOPULL, 0)); pin_function(obj->pin, STM_PIN_DATA(STM_MODE_OUTPUT_PP, GPIO_NOPULL, 0));

49
libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_F401RE/gpio_irq_api.c
View File

@ -46,7 +46,8 @@ static uint32_t channel_pin[CHANNEL_NUM] = {0, 0, 0, 0, 0, 0, 0};
static gpio_irq_handler irq_handler; static gpio_irq_handler irq_handler;
static void handle_interrupt_in(uint32_t irq_index) { static void handle_interrupt_in(uint32_t irq_index)
{
// Retrieve the gpio and pin that generate the irq // Retrieve the gpio and pin that generate the irq
GPIO_TypeDef *gpio = (GPIO_TypeDef *)(channel_gpio[irq_index]); GPIO_TypeDef *gpio = (GPIO_TypeDef *)(channel_gpio[irq_index]);
uint32_t pin = (uint32_t)(1 << channel_pin[irq_index]); uint32_t pin = (uint32_t)(1 << channel_pin[irq_index]);
@ -68,37 +69,45 @@ static void handle_interrupt_in(uint32_t irq_index) {
// The irq_index is passed to the function // The irq_index is passed to the function
// EXTI line 0 // EXTI line 0
static void gpio_irq0(void) { static void gpio_irq0(void)
{
handle_interrupt_in(0); handle_interrupt_in(0);
} }
// EXTI line 1 // EXTI line 1
static void gpio_irq1(void) { static void gpio_irq1(void)
{
handle_interrupt_in(1); handle_interrupt_in(1);
} }
// EXTI line 2 // EXTI line 2
static void gpio_irq2(void) { static void gpio_irq2(void)
{
handle_interrupt_in(2); handle_interrupt_in(2);
} }
// EXTI line 3 // EXTI line 3
static void gpio_irq3(void) { static void gpio_irq3(void)
{
handle_interrupt_in(3); handle_interrupt_in(3);
} }
// EXTI line 4 // EXTI line 4
static void gpio_irq4(void) { static void gpio_irq4(void)
{
handle_interrupt_in(4); handle_interrupt_in(4);
} }
// EXTI lines 5 to 9 // EXTI lines 5 to 9
static void gpio_irq5(void) { static void gpio_irq5(void)
{
handle_interrupt_in(5); handle_interrupt_in(5);
} }
// EXTI lines 10 to 15 // EXTI lines 10 to 15
static void gpio_irq6(void) { static void gpio_irq6(void)
{
handle_interrupt_in(6); handle_interrupt_in(6);
} }
extern uint32_t Set_GPIO_Clock(uint32_t port_idx); extern uint32_t Set_GPIO_Clock(uint32_t port_idx);
int gpio_irq_init(gpio_irq_t *obj, PinName pin, gpio_irq_handler handler, uint32_t id) { int gpio_irq_init(gpio_irq_t *obj, PinName pin, gpio_irq_handler handler, uint32_t id)
{
IRQn_Type irq_n = (IRQn_Type)0; IRQn_Type irq_n = (IRQn_Type)0;
uint32_t vector = 0; uint32_t vector = 0;
uint32_t irq_index; uint32_t irq_index;
@ -183,7 +192,8 @@ int gpio_irq_init(gpio_irq_t *obj, PinName pin, gpio_irq_handler handler, uint32
return 0; return 0;
} }
void gpio_irq_free(gpio_irq_t *obj) { void gpio_irq_free(gpio_irq_t *obj)
{
channel_ids[obj->irq_index] = 0; channel_ids[obj->irq_index] = 0;
channel_gpio[obj->irq_index] = 0; channel_gpio[obj->irq_index] = 0;
channel_pin[obj->irq_index] = 0; channel_pin[obj->irq_index] = 0;
@ -192,7 +202,8 @@ void gpio_irq_free(gpio_irq_t *obj) {
obj->event = EDGE_NONE; obj->event = EDGE_NONE;
} }
void gpio_irq_set(gpio_irq_t *obj, gpio_irq_event event, uint32_t enable) { void gpio_irq_set(gpio_irq_t *obj, gpio_irq_event event, uint32_t enable)
{
uint32_t mode = STM_MODE_INPUT; uint32_t mode = STM_MODE_INPUT;
uint32_t pull = GPIO_NOPULL; uint32_t pull = GPIO_NOPULL;
@ -230,8 +241,7 @@ void gpio_irq_set(gpio_irq_t *obj, gpio_irq_event event, uint32_t enable) {
mode = STM_MODE_IT_EVT_RESET; mode = STM_MODE_IT_EVT_RESET;
obj->event = EDGE_NONE; obj->event = EDGE_NONE;
} }
} } else if (event == IRQ_FALL) {
else if (event == IRQ_FALL) {
if ((obj->event == EDGE_RISE) || (obj->event == EDGE_BOTH)) { if ((obj->event == EDGE_RISE) || (obj->event == EDGE_BOTH)) {
mode = STM_MODE_IT_RISING; mode = STM_MODE_IT_RISING;
obj->event = EDGE_RISE; obj->event = EDGE_RISE;
@ -239,22 +249,23 @@ void gpio_irq_set(gpio_irq_t *obj, gpio_irq_event event, uint32_t enable) {
mode = STM_MODE_IT_EVT_RESET; mode = STM_MODE_IT_EVT_RESET;
obj->event = EDGE_NONE; obj->event = EDGE_NONE;
} }
} } else {
else { mode = STM_MODE_IT_EVT_RESET;
mode = STM_MODE_IT_EVT_RESET;
obj->event = EDGE_NONE; obj->event = EDGE_NONE;
} }
} }
pin_function(obj->pin, STM_PIN_DATA(mode, pull, 0)); pin_function(obj->pin, STM_PIN_DATA(mode, pull, 0));
} }
void gpio_irq_enable(gpio_irq_t *obj) { void gpio_irq_enable(gpio_irq_t *obj)
{
NVIC_EnableIRQ(obj->irq_n); NVIC_EnableIRQ(obj->irq_n);
} }
void gpio_irq_disable(gpio_irq_t *obj) { void gpio_irq_disable(gpio_irq_t *obj)
{
NVIC_DisableIRQ(obj->irq_n); NVIC_DisableIRQ(obj->irq_n);
obj->event = EDGE_NONE; obj->event = EDGE_NONE;
} }

6
libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_F401RE/gpio_object.h
View File

@ -48,7 +48,8 @@ typedef struct {
__IO uint16_t *reg_clr; __IO uint16_t *reg_clr;
} gpio_t; } gpio_t;
static inline void gpio_write(gpio_t *obj, int value) { static inline void gpio_write(gpio_t *obj, int value)
{
MBED_ASSERT(obj->pin != (PinName)NC); MBED_ASSERT(obj->pin != (PinName)NC);
if (value) { if (value) {
*obj->reg_set = obj->mask; *obj->reg_set = obj->mask;
@ -57,7 +58,8 @@ static inline void gpio_write(gpio_t *obj, int value) {
} }
} }
static inline int gpio_read(gpio_t *obj) { static inline int gpio_read(gpio_t *obj)
{
MBED_ASSERT(obj->pin != (PinName)NC); MBED_ASSERT(obj->pin != (PinName)NC);
return ((*obj->reg_in & obj->mask) ? 1 : 0); return ((*obj->reg_in & obj->mask) ? 1 : 0);
} }

56
libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_F401RE/i2c_api.c
View File

@ -64,7 +64,8 @@ int i2c1_inited = 0;
int i2c2_inited = 0; int i2c2_inited = 0;
int i2c3_inited = 0; int i2c3_inited = 0;
void i2c_init(i2c_t *obj, PinName sda, PinName scl) { void i2c_init(i2c_t *obj, PinName sda, PinName scl)
{
// Determine the I2C to use // Determine the I2C to use
I2CName i2c_sda = (I2CName)pinmap_peripheral(sda, PinMap_I2C_SDA); I2CName i2c_sda = (I2CName)pinmap_peripheral(sda, PinMap_I2C_SDA);
I2CName i2c_scl = (I2CName)pinmap_peripheral(scl, PinMap_I2C_SCL); I2CName i2c_scl = (I2CName)pinmap_peripheral(scl, PinMap_I2C_SCL);
@ -73,7 +74,7 @@ void i2c_init(i2c_t *obj, PinName sda, PinName scl) {
MBED_ASSERT(obj->i2c != (I2CName)NC); MBED_ASSERT(obj->i2c != (I2CName)NC);
// Enable I2C1 clock and pinout if not done // Enable I2C1 clock and pinout if not done
if ((obj->i2c == I2C_1)&& !i2c1_inited) { if ((obj->i2c == I2C_1) && !i2c1_inited) {
i2c1_inited = 1; i2c1_inited = 1;
__I2C1_CLK_ENABLE(); __I2C1_CLK_ENABLE();
// Configure I2C pins // Configure I2C pins
@ -83,7 +84,7 @@ void i2c_init(i2c_t *obj, PinName sda, PinName scl) {
pin_mode(scl, OpenDrain); pin_mode(scl, OpenDrain);
} }
// Enable I2C2 clock and pinout if not done // Enable I2C2 clock and pinout if not done
if ((obj->i2c == I2C_2)&& !i2c2_inited) { if ((obj->i2c == I2C_2) && !i2c2_inited) {
i2c2_inited = 1; i2c2_inited = 1;
__I2C2_CLK_ENABLE(); __I2C2_CLK_ENABLE();
// Configure I2C pins // Configure I2C pins
@ -93,7 +94,7 @@ void i2c_init(i2c_t *obj, PinName sda, PinName scl) {
pin_mode(scl, OpenDrain); pin_mode(scl, OpenDrain);
} }
// Enable I2C3 clock and pinout if not done // Enable I2C3 clock and pinout if not done
if ((obj->i2c == I2C_3)&& !i2c3_inited) { if ((obj->i2c == I2C_3) && !i2c3_inited) {
i2c3_inited = 1; i2c3_inited = 1;
__I2C3_CLK_ENABLE(); __I2C3_CLK_ENABLE();
// Configure I2C pins // Configure I2C pins
@ -113,14 +114,15 @@ void i2c_init(i2c_t *obj, PinName sda, PinName scl) {
obj->slave = 0; obj->slave = 0;
} }
void i2c_frequency(i2c_t *obj, int hz) { void i2c_frequency(i2c_t *obj, int hz)
{
MBED_ASSERT((hz != 0) && (hz <= 400000)); MBED_ASSERT((hz != 0) && (hz <= 400000));
I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c);
int timeout; int timeout;
// wait before init // wait before init
timeout = LONG_TIMEOUT; timeout = LONG_TIMEOUT;
while((__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY)) && (timeout-- != 0)); while ((__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY)) && (timeout-- != 0));
// I2C configuration // I2C configuration
I2cHandle.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT; I2cHandle.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
@ -139,7 +141,8 @@ void i2c_frequency(i2c_t *obj, int hz) {
} }
inline int i2c_start(i2c_t *obj) { inline int i2c_start(i2c_t *obj)
{
I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
int timeout; int timeout;
@ -162,7 +165,8 @@ inline int i2c_start(i2c_t *obj) {
return 0; return 0;
} }
inline int i2c_stop(i2c_t *obj) { inline int i2c_stop(i2c_t *obj)
{
I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
// Generate the STOP condition // Generate the STOP condition
@ -171,7 +175,8 @@ inline int i2c_stop(i2c_t *obj) {
return 0; return 0;
} }
int i2c_read(i2c_t *obj, int address, char *data, int length, int stop) { int i2c_read(i2c_t *obj, int address, char *data, int length, int stop)
{
I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c);
int timeout; int timeout;
@ -221,7 +226,8 @@ int i2c_read(i2c_t *obj, int address, char *data, int length, int stop) {
return length; return length;
} }
int i2c_write(i2c_t *obj, int address, const char *data, int length, int stop) { int i2c_write(i2c_t *obj, int address, const char *data, int length, int stop)
{
I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c);
int timeout; int timeout;
@ -266,7 +272,8 @@ int i2c_write(i2c_t *obj, int address, const char *data, int length, int stop) {
return count; return count;
} }
int i2c_byte_read(i2c_t *obj, int last) { int i2c_byte_read(i2c_t *obj, int last)
{
I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
int timeout; int timeout;
@ -289,7 +296,8 @@ int i2c_byte_read(i2c_t *obj, int last) {
return (int)i2c->DR; return (int)i2c->DR;
} }
int i2c_byte_write(i2c_t *obj, int data) { int i2c_byte_write(i2c_t *obj, int data)
{
I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
int timeout; int timeout;
@ -307,12 +315,13 @@ int i2c_byte_write(i2c_t *obj, int data) {
return 1; return 1;
} }
void i2c_reset(i2c_t *obj) { void i2c_reset(i2c_t *obj)
{
int timeout; int timeout;
// wait before reset // wait before reset
timeout = LONG_TIMEOUT; timeout = LONG_TIMEOUT;
while((__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY)) && (timeout-- != 0)); while ((__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY)) && (timeout-- != 0));
if (obj->i2c == I2C_1) { if (obj->i2c == I2C_1) {
__I2C1_FORCE_RESET(); __I2C1_FORCE_RESET();
@ -330,7 +339,8 @@ void i2c_reset(i2c_t *obj) {
#if DEVICE_I2CSLAVE #if DEVICE_I2CSLAVE
void i2c_slave_address(i2c_t *obj, int idx, uint32_t address, uint32_t mask) { void i2c_slave_address(i2c_t *obj, int idx, uint32_t address, uint32_t mask)
{
I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c); I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
uint16_t tmpreg = 0; uint16_t tmpreg = 0;
@ -344,7 +354,8 @@ void i2c_slave_address(i2c_t *obj, int idx, uint32_t address, uint32_t mask) {
i2c->OAR1 = tmpreg; i2c->OAR1 = tmpreg;
} }
void i2c_slave_mode(i2c_t *obj, int enable_slave) { void i2c_slave_mode(i2c_t *obj, int enable_slave)
{
I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c); I2cHandle.Instance = (I2C_TypeDef *)(obj->i2c);
if (enable_slave) { if (enable_slave) {
obj->slave = 1; obj->slave = 1;
@ -359,7 +370,8 @@ void i2c_slave_mode(i2c_t *obj, int enable_slave) {
#define WriteGeneral 2 // the master is writing to all slave #define WriteGeneral 2 // the master is writing to all slave
#define WriteAddressed 3 // the master is writing to this slave (slave = receiver) #define WriteAddressed 3 // the master is writing to this slave (slave = receiver)
int i2c_slave_receive(i2c_t *obj) { int i2c_slave_receive(i2c_t *obj)
{
int retValue = NoData; int retValue = NoData;
if (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY) == 1) { if (__HAL_I2C_GET_FLAG(&I2cHandle, I2C_FLAG_BUSY) == 1) {
@ -376,7 +388,8 @@ int i2c_slave_receive(i2c_t *obj) {
return (retValue); return (retValue);
} }
int i2c_slave_read(i2c_t *obj, char *data, int length) { int i2c_slave_read(i2c_t *obj, char *data, int length)
{
uint32_t Timeout; uint32_t Timeout;
int size = 0; int size = 0;
@ -430,7 +443,8 @@ int i2c_slave_read(i2c_t *obj, char *data, int length) {
return size; return size;
} }
int i2c_slave_write(i2c_t *obj, const char *data, int length) { int i2c_slave_write(i2c_t *obj, const char *data, int length)
{
uint32_t Timeout; uint32_t Timeout;
int size = 0; int size = 0;

3
libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_F401RE/mbed_overrides.c
View File

@ -28,7 +28,8 @@
#include "cmsis.h" #include "cmsis.h"
// This function is called after RAM initialization and before main. // This function is called after RAM initialization and before main.
void mbed_sdk_init() { void mbed_sdk_init()
{
// Update the SystemCoreClock variable. // Update the SystemCoreClock variable.
SystemCoreClockUpdate(); SystemCoreClockUpdate();
// Need to restart HAL driver after the RAM is initialized // Need to restart HAL driver after the RAM is initialized

9
libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_F401RE/pinmap.c
View File

@ -50,7 +50,8 @@ static const uint32_t gpio_mode[13] = {
}; };
// Enable GPIO clock and return GPIO base address // Enable GPIO clock and return GPIO base address
uint32_t Set_GPIO_Clock(uint32_t port_idx) { uint32_t Set_GPIO_Clock(uint32_t port_idx)
{
uint32_t gpio_add = 0; uint32_t gpio_add = 0;
switch (port_idx) { switch (port_idx) {
case PortA: case PortA:
@ -83,7 +84,8 @@ uint32_t Set_GPIO_Clock(uint32_t port_idx) {
/** /**
* Configure pin (mode, speed, output type and pull-up/pull-down) * Configure pin (mode, speed, output type and pull-up/pull-down)
*/ */
void pin_function(PinName pin, int data) { void pin_function(PinName pin, int data)
{
MBED_ASSERT(pin != (PinName)NC); MBED_ASSERT(pin != (PinName)NC);
// Get the pin informations // Get the pin informations
uint32_t mode = STM_PIN_MODE(data); uint32_t mode = STM_PIN_MODE(data);
@ -119,7 +121,8 @@ void pin_function(PinName pin, int data) {
/** /**
* Configure pin pull-up/pull-down * Configure pin pull-up/pull-down
*/ */
void pin_mode(PinName pin, PinMode mode) { void pin_mode(PinName pin, PinMode mode)
{
MBED_ASSERT(pin != (PinName)NC); MBED_ASSERT(pin != (PinName)NC);
uint32_t port_index = STM_PORT(pin); uint32_t port_index = STM_PORT(pin);
uint32_t pin_index = STM_PIN(pin); uint32_t pin_index = STM_PIN(pin);

18
libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_F401RE/port_api.c
View File

@ -38,11 +38,13 @@ extern uint32_t Set_GPIO_Clock(uint32_t port_idx);
// high nibble = port number (0=A, 1=B, 2=C, 3=D, 4=E, 5=F, ...) // high nibble = port number (0=A, 1=B, 2=C, 3=D, 4=E, 5=F, ...)
// low nibble = pin number // low nibble = pin number
PinName port_pin(PortName port, int pin_n) { PinName port_pin(PortName port, int pin_n)
{
return (PinName)(pin_n + (port << 4)); return (PinName)(pin_n + (port << 4));
} }
void port_init(port_t *obj, PortName port, int mask, PinDirection dir) { void port_init(port_t *obj, PortName port, int mask, PinDirection dir)
{
uint32_t port_index = (uint32_t)port; uint32_t port_index = (uint32_t)port;
// Enable GPIO clock // Enable GPIO clock
@ -59,7 +61,8 @@ void port_init(port_t *obj, PortName port, int mask, PinDirection dir) {
port_dir(obj, dir); port_dir(obj, dir);
} }
void port_dir(port_t *obj, PinDirection dir) { void port_dir(port_t *obj, PinDirection dir)
{
uint32_t i; uint32_t i;
obj->direction = dir; obj->direction = dir;
for (i = 0; i < 16; i++) { // Process all pins for (i = 0; i < 16; i++) { // Process all pins
@ -73,7 +76,8 @@ void port_dir(port_t *obj, PinDirection dir) {
} }
} }
void port_mode(port_t *obj, PinMode mode) { void port_mode(port_t *obj, PinMode mode)
{
uint32_t i; uint32_t i;
for (i = 0; i < 16; i++) { // Process all pins for (i = 0; i < 16; i++) { // Process all pins
if (obj->mask & (1 << i)) { // If the pin is used if (obj->mask & (1 << i)) { // If the pin is used
@ -82,11 +86,13 @@ void port_mode(port_t *obj, PinMode mode) {
} }
} }
void port_write(port_t *obj, int value) { void port_write(port_t *obj, int value)
{
*obj->reg_out = (*obj->reg_out & ~obj->mask) | (value & obj->mask); *obj->reg_out = (*obj->reg_out & ~obj->mask) | (value & obj->mask);
} }
int port_read(port_t *obj) { int port_read(port_t *obj)
{
if (obj->direction == PIN_OUTPUT) { if (obj->direction == PIN_OUTPUT) {
return (*obj->reg_out & obj->mask); return (*obj->reg_out & obj->mask);
} else { // PIN_INPUT } else { // PIN_INPUT

30
libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_F401RE/pwmout_api.c
View File

@ -85,7 +85,8 @@ static const PinMap PinMap_PWM[] = {
static TIM_HandleTypeDef TimHandle; static TIM_HandleTypeDef TimHandle;
void pwmout_init(pwmout_t* obj, PinName pin) { void pwmout_init(pwmout_t* obj, PinName pin)
{
// Get the peripheral name from the pin and assign it to the object // Get the peripheral name from the pin and assign it to the object
obj->pwm = (PWMName)pinmap_peripheral(pin, PinMap_PWM); obj->pwm = (PWMName)pinmap_peripheral(pin, PinMap_PWM);
@ -112,12 +113,14 @@ void pwmout_init(pwmout_t* obj, PinName pin) {
pwmout_period_us(obj, 20000); // 20 ms per default pwmout_period_us(obj, 20000); // 20 ms per default
} }
void pwmout_free(pwmout_t* obj) { void pwmout_free(pwmout_t* obj)
{
// Configure GPIO // Configure GPIO
pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
} }
void pwmout_write(pwmout_t* obj, float value) { void pwmout_write(pwmout_t* obj, float value)
{
TIM_OC_InitTypeDef sConfig; TIM_OC_InitTypeDef sConfig;
int channel = 0; int channel = 0;
int complementary_channel = 0; int complementary_channel = 0;
@ -215,7 +218,8 @@ void pwmout_write(pwmout_t* obj, float value) {
} }
} }
float pwmout_read(pwmout_t* obj) { float pwmout_read(pwmout_t* obj)
{
float value = 0; float value = 0;
if (obj->period > 0) { if (obj->period > 0) {
value = (float)(obj->pulse) / (float)(obj->period); value = (float)(obj->pulse) / (float)(obj->period);
@ -223,15 +227,18 @@ float pwmout_read(pwmout_t* obj) {
return ((value > (float)1.0) ? (float)(1.0) : (value)); return ((value > (float)1.0) ? (float)(1.0) : (value));
} }
void pwmout_period(pwmout_t* obj, float seconds) { void pwmout_period(pwmout_t* obj, float seconds)
{
pwmout_period_us(obj, seconds * 1000000.0f); pwmout_period_us(obj, seconds * 1000000.0f);
} }
void pwmout_period_ms(pwmout_t* obj, int ms) { void pwmout_period_ms(pwmout_t* obj, int ms)
{
pwmout_period_us(obj, ms * 1000); pwmout_period_us(obj, ms * 1000);
} }
void pwmout_period_us(pwmout_t* obj, int us) { void pwmout_period_us(pwmout_t* obj, int us)
{
TimHandle.Instance = (TIM_TypeDef *)(obj->pwm); TimHandle.Instance = (TIM_TypeDef *)(obj->pwm);
float dc = pwmout_read(obj); float dc = pwmout_read(obj);
@ -256,15 +263,18 @@ void pwmout_period_us(pwmout_t* obj, int us) {
__HAL_TIM_ENABLE(&TimHandle); __HAL_TIM_ENABLE(&TimHandle);
} }
void pwmout_pulsewidth(pwmout_t* obj, float seconds) { void pwmout_pulsewidth(pwmout_t* obj, float seconds)
{
pwmout_pulsewidth_us(obj, seconds * 1000000.0f); pwmout_pulsewidth_us(obj, seconds * 1000000.0f);
} }
void pwmout_pulsewidth_ms(pwmout_t* obj, int ms) { void pwmout_pulsewidth_ms(pwmout_t* obj, int ms)
{
pwmout_pulsewidth_us(obj, ms * 1000); pwmout_pulsewidth_us(obj, ms * 1000);
} }
void pwmout_pulsewidth_us(pwmout_t* obj, int us) { void pwmout_pulsewidth_us(pwmout_t* obj, int us)
{
float value = (float)us / (float)obj->period; float value = (float)us / (float)obj->period;
pwmout_write(obj, value); pwmout_write(obj, value);
} }

15
libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_F401RE/rtc_api.c
View File

@ -37,7 +37,8 @@ static int rtc_inited = 0;
static RTC_HandleTypeDef RtcHandle; static RTC_HandleTypeDef RtcHandle;
void rtc_init(void) { void rtc_init(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct; RCC_OscInitTypeDef RCC_OscInitStruct;
uint32_t rtc_freq = 0; uint32_t rtc_freq = 0;
@ -96,7 +97,8 @@ void rtc_init(void) {
} }
} }
void rtc_free(void) { void rtc_free(void)
{
// Enable Power clock // Enable Power clock
__PWR_CLK_ENABLE(); __PWR_CLK_ENABLE();
@ -121,7 +123,8 @@ void rtc_free(void) {
rtc_inited = 0; rtc_inited = 0;
} }
int rtc_isenabled(void) { int rtc_isenabled(void)
{
return rtc_inited; return rtc_inited;
} }
@ -142,7 +145,8 @@ int rtc_isenabled(void) {
tm_yday days since January 1 0-365 tm_yday days since January 1 0-365
tm_isdst Daylight Saving Time flag tm_isdst Daylight Saving Time flag
*/ */
time_t rtc_read(void) { time_t rtc_read(void)
{
RTC_DateTypeDef dateStruct; RTC_DateTypeDef dateStruct;
RTC_TimeTypeDef timeStruct; RTC_TimeTypeDef timeStruct;
struct tm timeinfo; struct tm timeinfo;
@ -169,7 +173,8 @@ time_t rtc_read(void) {
return t; return t;
} }
void rtc_write(time_t t) { void rtc_write(time_t t)
{
RTC_DateTypeDef dateStruct; RTC_DateTypeDef dateStruct;
RTC_TimeTypeDef timeStruct; RTC_TimeTypeDef timeStruct;

57
libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_F401RE/serial_api.c
View File

@ -65,7 +65,8 @@ UART_HandleTypeDef UartHandle;
int stdio_uart_inited = 0; int stdio_uart_inited = 0;
serial_t stdio_uart; serial_t stdio_uart;
static void init_uart(serial_t *obj) { static void init_uart(serial_t *obj)
{
UartHandle.Instance = (USART_TypeDef *)(obj->uart); UartHandle.Instance = (USART_TypeDef *)(obj->uart);
UartHandle.Init.BaudRate = obj->baudrate; UartHandle.Init.BaudRate = obj->baudrate;
@ -85,7 +86,8 @@ static void init_uart(serial_t *obj) {
HAL_UART_Init(&UartHandle); HAL_UART_Init(&UartHandle);
} }
void serial_init(serial_t *obj, PinName tx, PinName rx) { void serial_init(serial_t *obj, PinName tx, PinName rx)
{
// Determine the UART to use (UART_1, UART_2, ...) // Determine the UART to use (UART_1, UART_2, ...)
UARTName uart_tx = (UARTName)pinmap_peripheral(tx, PinMap_UART_TX); UARTName uart_tx = (UARTName)pinmap_peripheral(tx, PinMap_UART_TX);
UARTName uart_rx = (UARTName)pinmap_peripheral(rx, PinMap_UART_RX); UARTName uart_rx = (UARTName)pinmap_peripheral(rx, PinMap_UART_RX);
@ -137,7 +139,8 @@ void serial_init(serial_t *obj, PinName tx, PinName rx) {
} }
void serial_free(serial_t *obj) { void serial_free(serial_t *obj)
{
// Reset UART and disable clock // Reset UART and disable clock
if (obj->uart == UART_1) { if (obj->uart == UART_1) {
__USART1_FORCE_RESET(); __USART1_FORCE_RESET();
@ -162,12 +165,14 @@ void serial_free(serial_t *obj) {
serial_irq_ids[obj->index] = 0; serial_irq_ids[obj->index] = 0;
} }
void serial_baud(serial_t *obj, int baudrate) { void serial_baud(serial_t *obj, int baudrate)
{
obj->baudrate = baudrate; obj->baudrate = baudrate;
init_uart(obj); init_uart(obj);
} }
void serial_format(serial_t *obj, int data_bits, SerialParity parity, int stop_bits) { void serial_format(serial_t *obj, int data_bits, SerialParity parity, int stop_bits)
{
if (data_bits == 9) { if (data_bits == 9) {
obj->databits = UART_WORDLENGTH_9B; obj->databits = UART_WORDLENGTH_9B;
} else { } else {
@ -201,7 +206,8 @@ void serial_format(serial_t *obj, int data_bits, SerialParity parity, int stop_b
* INTERRUPTS HANDLING * INTERRUPTS HANDLING
******************************************************************************/ ******************************************************************************/
static void uart_irq(UARTName name, int id) { static void uart_irq(UARTName name, int id)
{
UartHandle.Instance = (USART_TypeDef *)name; UartHandle.Instance = (USART_TypeDef *)name;
if (serial_irq_ids[id] != 0) { if (serial_irq_ids[id] != 0) {
if (__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_TC) != RESET) { if (__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_TC) != RESET) {
@ -215,22 +221,27 @@ static void uart_irq(UARTName name, int id) {
} }
} }
static void uart1_irq(void) { static void uart1_irq(void)
{
uart_irq(UART_1, 0); uart_irq(UART_1, 0);
} }
static void uart2_irq(void) { static void uart2_irq(void)
{
uart_irq(UART_2, 1); uart_irq(UART_2, 1);
} }
static void uart6_irq(void) { static void uart6_irq(void)
{
uart_irq(UART_6, 2); uart_irq(UART_6, 2);
} }
void serial_irq_handler(serial_t *obj, uart_irq_handler handler, uint32_t id) { void serial_irq_handler(serial_t *obj, uart_irq_handler handler, uint32_t id)
{
irq_handler = handler; irq_handler = handler;
serial_irq_ids[obj->index] = id; serial_irq_ids[obj->index] = id;
} }
void serial_irq_set(serial_t *obj, SerialIrq irq, uint32_t enable) { void serial_irq_set(serial_t *obj, SerialIrq irq, uint32_t enable)
{
IRQn_Type irq_n = (IRQn_Type)0; IRQn_Type irq_n = (IRQn_Type)0;
uint32_t vector = 0; uint32_t vector = 0;
@ -285,19 +296,22 @@ void serial_irq_set(serial_t *obj, SerialIrq irq, uint32_t enable) {
* READ/WRITE * READ/WRITE
******************************************************************************/ ******************************************************************************/
int serial_getc(serial_t *obj) { int serial_getc(serial_t *obj)
{
USART_TypeDef *uart = (USART_TypeDef *)(obj->uart); USART_TypeDef *uart = (USART_TypeDef *)(obj->uart);
while (!serial_readable(obj)); while (!serial_readable(obj));
return (int)(uart->DR & 0x1FF); return (int)(uart->DR & 0x1FF);
} }
void serial_putc(serial_t *obj, int c) { void serial_putc(serial_t *obj, int c)
{
USART_TypeDef *uart = (USART_TypeDef *)(obj->uart); USART_TypeDef *uart = (USART_TypeDef *)(obj->uart);
while (!serial_writable(obj)); while (!serial_writable(obj));
uart->DR = (uint32_t)(c & 0x1FF); uart->DR = (uint32_t)(c & 0x1FF);
} }
int serial_readable(serial_t *obj) { int serial_readable(serial_t *obj)
{
int status; int status;
UartHandle.Instance = (USART_TypeDef *)(obj->uart); UartHandle.Instance = (USART_TypeDef *)(obj->uart);
// Check if data is received // Check if data is received
@ -305,7 +319,8 @@ int serial_readable(serial_t *obj) {
return status; return status;
} }
int serial_writable(serial_t *obj) { int serial_writable(serial_t *obj)
{
int status; int status;
UartHandle.Instance = (USART_TypeDef *)(obj->uart); UartHandle.Instance = (USART_TypeDef *)(obj->uart);
// Check if data is transmitted // Check if data is transmitted
@ -313,22 +328,26 @@ int serial_writable(serial_t *obj) {
return status; return status;
} }
void serial_clear(serial_t *obj) { void serial_clear(serial_t *obj)
{
UartHandle.Instance = (USART_TypeDef *)(obj->uart); UartHandle.Instance = (USART_TypeDef *)(obj->uart);
__HAL_UART_CLEAR_FLAG(&UartHandle, UART_FLAG_TXE); __HAL_UART_CLEAR_FLAG(&UartHandle, UART_FLAG_TXE);
__HAL_UART_CLEAR_FLAG(&UartHandle, UART_FLAG_RXNE); __HAL_UART_CLEAR_FLAG(&UartHandle, UART_FLAG_RXNE);
} }
void serial_pinout_tx(PinName tx) { void serial_pinout_tx(PinName tx)
{
pinmap_pinout(tx, PinMap_UART_TX); pinmap_pinout(tx, PinMap_UART_TX);
} }
void serial_break_set(serial_t *obj) { void serial_break_set(serial_t *obj)
{
UartHandle.Instance = (USART_TypeDef *)(obj->uart); UartHandle.Instance = (USART_TypeDef *)(obj->uart);
HAL_LIN_SendBreak(&UartHandle); HAL_LIN_SendBreak(&UartHandle);
} }
void serial_break_clear(serial_t *obj) { void serial_break_clear(serial_t *obj)
{
} }
#endif #endif

6
libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_F401RE/sleep.c
View File

@ -35,7 +35,8 @@
static TIM_HandleTypeDef TimMasterHandle; static TIM_HandleTypeDef TimMasterHandle;
void sleep(void) { void sleep(void)
{
TimMasterHandle.Instance = TIM5; TimMasterHandle.Instance = TIM5;
// Disable HAL tick interrupt // Disable HAL tick interrupt
@ -48,7 +49,8 @@ void sleep(void) {
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2); __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
} }
void deepsleep(void) { void deepsleep(void)
{
// Request to enter STOP mode with regulator in low power mode // Request to enter STOP mode with regulator in low power mode
HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI); HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);

45
libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_F401RE/spi_api.c
View File

@ -78,7 +78,8 @@ static const PinMap PinMap_SPI_SSEL[] = {
static SPI_HandleTypeDef SpiHandle; static SPI_HandleTypeDef SpiHandle;
static void init_spi(spi_t *obj) { static void init_spi(spi_t *obj)
{
SpiHandle.Instance = (SPI_TypeDef *)(obj->spi); SpiHandle.Instance = (SPI_TypeDef *)(obj->spi);
__HAL_SPI_DISABLE(&SpiHandle); __HAL_SPI_DISABLE(&SpiHandle);
@ -100,7 +101,8 @@ static void init_spi(spi_t *obj) {
__HAL_SPI_ENABLE(&SpiHandle); __HAL_SPI_ENABLE(&SpiHandle);
} }
void spi_init(spi_t *obj, PinName mosi, PinName miso, PinName sclk, PinName ssel) { void spi_init(spi_t *obj, PinName mosi, PinName miso, PinName sclk, PinName ssel)
{
// Determine the SPI to use // Determine the SPI to use
SPIName spi_mosi = (SPIName)pinmap_peripheral(mosi, PinMap_SPI_MOSI); SPIName spi_mosi = (SPIName)pinmap_peripheral(mosi, PinMap_SPI_MOSI);
SPIName spi_miso = (SPIName)pinmap_peripheral(miso, PinMap_SPI_MISO); SPIName spi_miso = (SPIName)pinmap_peripheral(miso, PinMap_SPI_MISO);
@ -152,7 +154,8 @@ void spi_init(spi_t *obj, PinName mosi, PinName miso, PinName sclk, PinName ssel
init_spi(obj); init_spi(obj);
} }
void spi_free(spi_t *obj) { void spi_free(spi_t *obj)
{
// Reset SPI and disable clock // Reset SPI and disable clock
if (obj->spi == SPI_1) { if (obj->spi == SPI_1) {
__SPI1_FORCE_RESET(); __SPI1_FORCE_RESET();
@ -179,7 +182,8 @@ void spi_free(spi_t *obj) {
pin_function(obj->pin_ssel, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); pin_function(obj->pin_ssel, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0));
} }
void spi_format(spi_t *obj, int bits, int mode, int slave) { void spi_format(spi_t *obj, int bits, int mode, int slave)
{
// Save new values // Save new values
if (bits == 16) { if (bits == 16) {
obj->bits = SPI_DATASIZE_16BIT; obj->bits = SPI_DATASIZE_16BIT;
@ -217,7 +221,8 @@ void spi_format(spi_t *obj, int bits, int mode, int slave) {
init_spi(obj); init_spi(obj);
} }
void spi_frequency(spi_t *obj, int hz) { void spi_frequency(spi_t *obj, int hz)
{
// Note: The frequencies are obtained with SPI1 clock = 84 MHz (APB2 clock) // Note: The frequencies are obtained with SPI1 clock = 84 MHz (APB2 clock)
if (hz < 600000) { if (hz < 600000) {
obj->br_presc = SPI_BAUDRATEPRESCALER_256; // 330 kHz obj->br_presc = SPI_BAUDRATEPRESCALER_256; // 330 kHz
@ -239,7 +244,8 @@ void spi_frequency(spi_t *obj, int hz) {
init_spi(obj); init_spi(obj);
} }
static inline int ssp_readable(spi_t *obj) { static inline int ssp_readable(spi_t *obj)
{
int status; int status;
SpiHandle.Instance = (SPI_TypeDef *)(obj->spi); SpiHandle.Instance = (SPI_TypeDef *)(obj->spi);
// Check if data is received // Check if data is received
@ -247,7 +253,8 @@ static inline int ssp_readable(spi_t *obj) {
return status; return status;
} }
static inline int ssp_writeable(spi_t *obj) { static inline int ssp_writeable(spi_t *obj)
{
int status; int status;
SpiHandle.Instance = (SPI_TypeDef *)(obj->spi); SpiHandle.Instance = (SPI_TypeDef *)(obj->spi);
// Check if data is transmitted // Check if data is transmitted
@ -255,47 +262,55 @@ static inline int ssp_writeable(spi_t *obj) {
return status; return status;
} }
static inline void ssp_write(spi_t *obj, int value) { static inline void ssp_write(spi_t *obj, int value)
{
SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi); SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi);
while (!ssp_writeable(obj)); while (!ssp_writeable(obj));
spi->DR = (uint16_t)value; spi->DR = (uint16_t)value;
} }
static inline int ssp_read(spi_t *obj) { static inline int ssp_read(spi_t *obj)
{
SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi); SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi);
while (!ssp_readable(obj)); while (!ssp_readable(obj));
return (int)spi->DR; return (int)spi->DR;
} }
static inline int ssp_busy(spi_t *obj) { static inline int ssp_busy(spi_t *obj)
{
int status; int status;
SpiHandle.Instance = (SPI_TypeDef *)(obj->spi); SpiHandle.Instance = (SPI_TypeDef *)(obj->spi);
status = ((__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_BSY) != RESET) ? 1 : 0); status = ((__HAL_SPI_GET_FLAG(&SpiHandle, SPI_FLAG_BSY) != RESET) ? 1 : 0);
return status; return status;
} }
int spi_master_write(spi_t *obj, int value) { int spi_master_write(spi_t *obj, int value)
{
ssp_write(obj, value); ssp_write(obj, value);
return ssp_read(obj); return ssp_read(obj);
} }
int spi_slave_receive(spi_t *obj) { int spi_slave_receive(spi_t *obj)
{
return ((ssp_readable(obj) && !ssp_busy(obj)) ? 1 : 0); return ((ssp_readable(obj) && !ssp_busy(obj)) ? 1 : 0);
}; };
int spi_slave_read(spi_t *obj) { int spi_slave_read(spi_t *obj)
{
SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi); SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi);
while (!ssp_readable(obj)); while (!ssp_readable(obj));
return (int)spi->DR; return (int)spi->DR;
} }
void spi_slave_write(spi_t *obj, int value) { void spi_slave_write(spi_t *obj, int value)
{
SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi); SPI_TypeDef *spi = (SPI_TypeDef *)(obj->spi);
while (!ssp_writeable(obj)); while (!ssp_writeable(obj));
spi->DR = (uint16_t)value; spi->DR = (uint16_t)value;
} }
int spi_busy(spi_t *obj) { int spi_busy(spi_t *obj)
{
return ssp_busy(obj); return ssp_busy(obj);
} }

17
libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_F401RE/us_ticker.c
View File

@ -34,31 +34,36 @@
static TIM_HandleTypeDef TimMasterHandle; static TIM_HandleTypeDef TimMasterHandle;
static int us_ticker_inited = 0; static int us_ticker_inited = 0;
void us_ticker_init(void) { void us_ticker_init(void)
{
if (us_ticker_inited) return; if (us_ticker_inited) return;
us_ticker_inited = 1; us_ticker_inited = 1;
TimMasterHandle.Instance = TIM_MST; TimMasterHandle.Instance = TIM_MST;
HAL_InitTick(0); // The passed value is not used HAL_InitTick(0); // The passed value is not used
} }
uint32_t us_ticker_read() { uint32_t us_ticker_read()
{
if (!us_ticker_inited) us_ticker_init(); if (!us_ticker_inited) us_ticker_init();
return TIM_MST->CNT; return TIM_MST->CNT;
} }
void us_ticker_set_interrupt(timestamp_t timestamp) { void us_ticker_set_interrupt(timestamp_t timestamp)
{
// Set new output compare value // Set new output compare value
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_1, (uint32_t)timestamp); __HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_1, (uint32_t)timestamp);
// Enable IT // Enable IT
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC1); __HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC1);
} }
void us_ticker_disable_interrupt(void) { void us_ticker_disable_interrupt(void)
{
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC1); __HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC1);
} }
void us_ticker_clear_interrupt(void) { void us_ticker_clear_interrupt(void)
{
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1); __HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
} }